Surf Forecasts:
Itapuca surf forecast from 25 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 3AM (local time) - 8ft (2.5m), 14s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 3AM (local time) - 8ft (2.5m), 14s period, S swell with 2,968 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 3AM (local time) - 8ft (2.5m), 14s period with S swell.
Best Forecast Surf Conditions for Itapuca this week:
The surf forecast for Itapuca over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 3AM. The primary swell is predicted to be 2.5m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Itapuca in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (Aug 25) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Tuesday (Aug 25) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 25th Aug) | 8ft (2.5m) 14s |
| Best Surf | 3AM (Tue 25th Aug) | 8ft (2.5m) 14s |
| Most Powerful | 3AM (Tue 25th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Itapuca over the next 16 days.
The Lowdown
G’day, Rusty here. Itapuca is the only break in the forecast, and it’s a sheltered reef that’s consistent, with the best swell from the south-east. There’s a decent pulse of south swell early this week, but then it fades fast. Water temp is about normal for the season.
Tuesday morning, August 25th, hits with an 8 ft south swell at a long 14-second period, giving a combined energy of 2475 – that’s very strong. It’s over 8 ft, so experts only. A light east-northeast breeze keeps it cross-off and clean. Tuesday afternoon drops to 7 ft with similar period, still good.
Wednesday morning, August 26th, is the standout. Glassy, no wind, and a 6 ft south swell with a 12-second period and strong energy at 1740. Perfect reef conditions – clean groundswell. Wednesday afternoon gets a cross-shore wind and an 8 ft swell (15 seconds, 2697 energy), but the wind messes it up.
Thursday, August 27th, holds 7 ft of south swell (14 seconds, 2085 energy) in the morning, but with moderate rain and light cross-shore wind. The afternoon gets rain showers and stronger east wind.
Friday, August 28th, drops to 4 ft in the morning (south, 12 seconds, 573 energy) with a clean offshore north-easterly – small but rideable. Afternoon is smaller at 3 ft.
From Saturday, August 29th, to Tuesday, September 1st, it’s tiny and poor. Swell below 3 ft with short period (8-9 seconds) and weak energy (under 300). Not worth it.
Wednesday, September 2nd, offers a 5 ft south swell (9 seconds, 450 energy) in the afternoon with a clean cross-off breeze – surfable but ordinary. Thursday, September 3rd, is a bit better with 4 ft of south swell (10-11 seconds) and glassy mornings. Energy is moderate (395-509).
Friday, September 4th, has onshore wind and poor conditions. Saturday, September 5th, brings a 7 ft south swell (11 seconds, 1078 energy) but it’s blown out by a strong 15 mph south-westerly onshore wind. With that wind and a sheltered reef, it might be a kite-surfing day.
After that, the surf stays small and weak from Sunday, September 6th, through Wednesday, September 9th. A 5 ft east swell on Monday, September 7th, at 8 seconds (659 energy) is nothing special. By the 9th, it’s down to 2 ft.
Best call: Wednesday morning, August 26th, for that glassy, chest-to-head-high groundswell. The rest is average to poor, with a long flat spell in the second week.
Stay salty,
Rusty
Short Range ForecastHeavy rain (total 36mm), heaviest during Thu morning. Warm (max 23°C on Wed morning, min 18°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 34°C on Sat afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 12 | S 15 | S 15 | S 14 | S 14 | S 13 | S 12 | SSE 12 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 2687 | 2475 | 1796 | 1487 | 980 | 2697 | 2508 | 2061 | 1463 | 771 | 353 | 232 | 388 | 105 | 196 | 450 | 99 | 210 | 143 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross | cross-off | off | off | cross-off | off | cross-off | cross-off | off | cross-off | cross-on | glassy |
High Tide | 9:17PM3.33m | 9:33AM3.05m | 9:40PM3.16m | 9:56AM2.80m | 10:03PM2.91m | 10:18AM2.48m | 10:26PM2.57m | 10:38AM2.11m | 10:43PM2.17m | 7:01AM1.82m | 7:13PM2.08m | 7:02AM2.19m | 7:18PM2.35m | ||||||
Low Tide | 4:05AM0.15m | 4:03PM0.51m | 4:20AM0.49m | 3:48PM0.80m | 3:58AM0.84m | 3:08PM0.98m | 3:19AM1.08m | 2:56PM1.07m | 3:06AM1.23m | 2:49PM1.13m | 2:50AM1.31m | 2:16PM1.14m | 1:00AM1.20m | ||||||
 |  | |  |  |  |  |  |  |  |  | | | | | | | | | |
 | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — |
mm | 4 | 1 | 1 | 1 | — | 1 | 8 | 19 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 21 | 20 | 23 | 23 | 21 | 21 | 20 | 20 | 26 | 27 | 24 | 33 | 34 | 28 | 32 | 28 | 25 |
Feels °C | 18 | 20 | 21 | 22 | 24 | 24 | 22 | 22 | 19 | 21 | 28 | 28 | 26 | 34 | 35 | 29 | 33 | 30 | 27 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 12 | S 15 | S 15 | S 14 | S 14 | S 13 | S 12 | SSE 12 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 |
| kJ | 2687 | 2475 | 1796 | 1487 | 980 | 2697 | 2508 | 2061 | 1463 | 771 | 353 | 232 | 168 | 105 | 68 | 144 | 99 | 76 | 143 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 16 | — | ESE 5 | ESE 6 | — | ESE 6 | ESE 7 | ESE 7 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 9 |
| kJ | — | — | — | — | 752 | — | 36 | 24 | — | 55 | 66 | 63 | 86 | 38 | 20 | 10 | 10 | 10 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | ESE 5 | — | SSE 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 8 | — | 14 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 4 | E 5 | — | — | — | E 6 | ESE 5 | — | E 7 | E 7 | E 8 | — | E 8 | E 8 | — | E 9 | — |
| kJ | — | — | 9 | 37 | — | — | — | 62 | 32 | — | 154 | 168 | 388 | — | 196 | 450 | — | 210 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 49 | 0 | 11 | 166 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 12 | 43 | 12 |
Best forecast wave conditions in Rio de Janeiro | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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Information about the Itapuca Surf forecast
The above surf forecast table for Itapuca provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Itapuca can be found by selecting the local surf guide option on the grey menu. Our Itapuca surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Itapuca) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Itapuca may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Rio de Janeiro? If you are looking for accommodation near Itapuca, camping, hotels and holiday cottages in Rio de Janeiro, consider staying in Niteroi which is 2 km (1 miles) away. Other places in and around Rio de Janeiro where you can find information about places to rent, and car hire include Sao Goncalo which is 12 km (7 miles) away, Rio de Janeiro, Duque de Caxias and Sao Joao de Meriti.
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